7J

59.72J

49J

59J

49 N

$1.51\times {10}^{-7}N$

$1.32\times {10}^{-7}N$

$1.32\times {10}^{-7}J$

$2.32\times {10}^{-8}N$

$1.68\times {10}^{-5}J$

$4.53\times {10}^7 J$

$1.47\times {10}^7 cal$

$4.53\times {10}^7 cal$

$2.78\times {10}^7 cal$

$3.22\times {10}^5 J$

$6.05\times {10}^{-4} J$

$6\times {10}^{-3} N$

$5.03\times {10}^{-4 }J$

6.05 J

$3.03\times {10}^{-4}N$

100 kg-wt

180 kg-wt

80 kg-wt

1620 kg-wt

20 kg-wt

229 K

229 K B. $-53.{38}^{\circ }C$

$-53.{98}^{\circ }C$

204.35k

$-68.{65}^{\circ }C$

${2495}^{\circ }C$

${2768}^{\circ }C$

${4368}^{\circ }C$

$4095K$

$-{100}^{\circ }C$

${60}^{\circ }C$

${64}^{\circ }C$

${16}^{\circ }C$

${32}^{\circ }C$

$-5^{\circ }C$

$49\times {10}^{11} J$

$49\times {10}^8 J$

$4.9\times {10}^{11} ergs$

$9.8\times {10}^{11} N$

${10}^8 J$

$1.25 km/s^2$

$1.24m/s^2$

$1.39 km/s^2$

$1.44 km/s^2$

$-26.30 m/s^2$

3000cm

100cm

10cm

6cm

-1.45cal/K

1.45cal/K

540cal/K

1.98cal

5.4cal

750 Hz

789 Hz

675 Hz

775 Hz

679 Hz

$3.98\times {10}^{-8 }C$

$4.56\times {10}^{-8 }C$

$6.906\times {10}^{-10 }F$

$6.64\times {10}^{-10 }F$

$4.7\times {10}^{-8 }C$

448V

440V

220V

110V

428V

$1.2\times {10}^{-3} N-m-de{g}^{-1}$

$1.08\times {10}^{-2} N-m$

$9\times {10}^{-4} N-m-de{g}^{-1}$

$1.1\times {10}^{-2} N-de{g}^{-1}$

$9N-cm-de{g}^{-1}$

2.63 $A{m}^2$

1.75 $A{m}^2$

$1.92\times {10}^{-6 }A{m}^2$

2.16 $A{m}^2$

1.93 $A{m}^2$

$64.{21}^{\circ }$

$62.2^{\circ }$

$55.8^{\circ }$

${60}^{\circ }12\text{'}$

${63}^{\circ }58\text{'}$

23.316cm

25cm

0.68m

0.24m

0.245m বিঃদ্রঃ-(নিজে চেষ্টা করুন সঠিক উত্তরটি জানা নেই)

$17.{46}^{\circ }$

$64.{16}^{\circ }$

$46.7^{\circ }$

${51}^{\circ }$

${63}^{\circ }58\text{'}$

$3\times {10}^9 s^{-1}$

$2.41\times {10}^{19} s^{-1}$

$2.4\times {10}^{12} s^{-1}$

$1.24\times {10}^{11} s^{-1}$

$1.42\times {10}^{19} s^{-1}$

-136eV

8.22MeV

288MeV

8.22eV

34.98MeV

-13.6eV

-1.51eV

-2.72eV

-0.54eV

0.54eV

1100010

0100011

1000011

100011

110001

$4.24\times {10}^7 m/s$

$4.94\times {10}^8 cm/s$

$4.94\times {10}^7 m/s$

$5.2\times {10}^9 cm/s$

$8.13\times {10}^8 cm/s$

$1.5\times {10}^{-5} g/L$

$3.70\times {10}^{-5} g/L$

$1.78\times {10}^{-4} g/L$

$1.78\times {10}^{-6} g/L$

$3.70\times {10}^{-4} g/L$

${}_{88}{}^{226}R$

${}_{92}{}^{234}U$

${}_{90}{}^{230}Th$

${}_{91}{}^{234}Pa$

${}_{90}{}^{230}Rn$

$1\pi bond and 3\pi bonds$

$4\pi bonds$

$2\pi bond and 2\sigma bonds$

$4\sigma bonds$

$3\pi bond and 1\sigma bonds$

7.05

4.988

9.01

11.03

8.07

$3^{\circ }>2^{\circ }>1^{\circ }$

$1^{\circ }>2^{\circ }>3^{\circ }$

$2^{\circ }> 1^{\circ }>3^{\circ }$

$2^{\circ }> 3^{\circ }>1^{\circ }$

$1^{\circ }>3^{\circ }>2^{\circ }$

$R-X+2Na+X-R\stackrel{Dray Ether }{\to }$ R-R+2NaX

$R-C\equiv CH+2H_2\stackrel{{150}^{\circ }C.Ni}{\to } R-C{H}_2-C{H}_3$

$R-X+2\left[H\right]\stackrel{Zn/HCL}{\to }$R-H+HX

$C_6{H}_6+3C{l}_2\stackrel{Dry FeCl2}{\to }$ $C_{6}C{l}_{6+}6HCl$

$C_6{H}_6+RX\stackrel{Dry AlCl}{\to }$ $C_6{H}_5-R+HX$

27.2 mL

30.5 mL

50.0 mL

19.6 mL

2.72 mL

1.2895 V

1.3895 V

1.6895 V

1.4895 V

1.5895 V

লিথিয়াম মেটাল অক্সাইড ($LiM{O}_2$) থেকে লিথিয়াম আয়ন ($L{i}^{+}$) বের হয়ে যাওয়া

লিথিয়াম আয়ন($L{i}^{+}$) এর গ্রাফাইটের দুই স্তরের মধ্যে প্রবেশ করা

লিথিয়াম আয়ন ($L{i}^{+}$) এর জৈব দ্রাবকের মধ্যে বিচরন করা

লিথিয়াম আয়ন ($L{i}^{+}$) দ্রবণে সলভেটেড হওয়া

মেটাল অক্সাইড পৃষ্ঠে লিথিয়াম আয়ন($L{i}^{+}$) জমা হওয়া

10

41

21

31

20

5.3

1.06

0.95

1.01

10.6

38.025 g

380.25 g

38.025 g

480.25 g

0.38025 g

$4.0\times {10}^{-3}d{m}^3.mo{l}^{-1}.s^{-1}$

$8.0\times {10}^{-6}d{m}^3.mo{l}^{-1}.s^{-1}$

$8.0\times {10}^{-6}d{m}^3.mo{l}^{-1}.s^{-1}$

$1.60\times {10}^{-6}d{m}^3.mo{l}^{-1}.s^{-1}$

$8.60\times {10}^{-6}d{m}^3.mo{l}^{-1}.s^{-1}$

$4.0\times {10}^{-3}d{m}^3.mo{l}^{-1}.s^{-1}$

$8.0\times {10}^{-6}d{m}^3.mo{l}^{-1}.s^{-1}$

$8.0\times {10}^{-6}d{m}^3.mo{l}^{-1}.s^{-1}$

$1.60\times {10}^{-6}d{m}^3.mo{l}^{-1}.s^{-1}$

$8.60\times {10}^{-6}d{m}^3.mo{l}^{-1}.s^{-1}$

0.142

$2.39\times {10}^{-4}$

$5.39\times {10}^{-4}$

$5.79\times {10}^{-3}$

0.0692

M

N+M

O+N+M

P

N+O

169 ppm

338 ppm

388ppb

16.9ppm

84.5ppm

357.6${}^{\circ }C$

30.0${}^{\circ }C$

84.6${}^{\circ }C$

60.0${}^{\circ }C$

76.4${}^{\circ }C$

3.79

17.40

7.20

28.8

7.59

55.12%

44.88%

27.95%

38.80%

40.66%

41.8875

52.3559

31.4156

34.5572

51.8358

0.05 M

0.2 M

0.25 M

0.1333 M

0.1666 M

$20mL 0.5M H_2{C}_2{O}_4$ এর সাথে

$50mL 0.1M H_2{C}_2{O}_4$ এর সাথে

$40mL 0.3M H_2{C}_2{O}_4$ এর সাথে

$50mL 0.5M H_2{C}_2{O}_4$ এর সাথে

$20mL 0.5M H_2{C}_2{O}_4$ এর সাথে

Na এবং $B{r}_2$

Na এবং $O_2$

$H_2$ ,$B{r}_2$ এবং NaOH

Na এবং $H_2$

$H_2$ এবং $O_2$

-3

-4

-5

6

7

$\left(\begin{array}{cc}44& -1\\ -31& 1\end{array}\right)$

$\frac{1}{13}\left(\begin{array}{cc}44& -1\\ -31& 1\end{array}\right)$

$\frac{1}{13}\left(\begin{array}{cc}44& -1\\ 31& 1\end{array}\right)$

$\frac{1}{13}\left(\begin{array}{cc}4& -1\\ 31& 1\end{array}\right)$

$\frac{1}{13}\left(\begin{array}{cc}4& -1\\ 3& 1\end{array}\right)$

30 টি

24 টি

25 টি

12 টি

36 টি

$2\pm 3i$

$4\pm 3i$

$3\pm 2i$

$-2\pm 3i$

$-4\pm 3i$

3e

4e

2e

5e

7e

$x^2+y^2-2x-10y-109=0$

$x^2+y^2+2x-10y-109=0$

$x^2+y^2-2x+10y-109=0$

$x^2+y^2-10x+2y-109=0$

$x^2+y^2-10x-2y-109=0$ বিঃদ্রঃ-(নিজে চেষ্টা করুন সঠিক উত্তরটি জানা নেই)

2x +5y=0

7x+y=0

4x+3y=0

3x-y=0

-4x+9y=0

4$\sqrt{2}$

2$\sqrt{2}$

$\sqrt{2}$

5$\sqrt{2}$

7$\sqrt{2}$

6 sq units

9 sq units

12 sq units

18 sq units

24 sq units

tanA tanB tanC

cotA cotB cotC

sinA sinB sinC

cosA cosB cosC

secA secB secC

$\mathrm{\pi }/2$

$-\mathrm{\pi }/2$

$\mathrm{\pi }/3$

$\mathrm{\pi }/4$

$\mathrm{\pi }/6$

$\frac{\mathrm{\pi }}{4} ,se{c}^{-1}\frac{{\displaystyle 13}}{{\displaystyle 12}},12$

$\frac{\mathrm{\pi }}{2} ,se{c}^{-1}\frac{{\displaystyle 13}}{{\displaystyle 12}},12$

$\frac{\mathrm{\pi }}{2} ,{\cos }^{-1}\frac{{\displaystyle 13}}{{\displaystyle 12}},12$

$\frac{\mathrm{\pi }}{2} ,{\cos }^{-1}\frac{{\displaystyle 13}}{{\displaystyle 15}},12$

কোনটিই নয়

$\frac{1}{4}$

$\frac{1}{3}$

$\frac{1}{2}$

$\frac{1}{7}$

$-\frac{1}{7}$

$(\frac{1}{x}{)}^{\frac{1}{nx}}$

$(\frac{1}{n}{)}^{\frac{1}{nx}}$

$(\frac{1}{nx}{)}^{\frac{1}{nx}}$

$\left(\frac{1}{x}{)}^{\frac{1}{nx}}\right[\frac{1}{n}\left(\frac{{\log }_e x-1}{x^2}\right)]$

$\left(\frac{1}{x}{)}^{\frac{1}{nx}}\right[\frac{1}{n}\left(\frac{{\log }_e x-3}{x^2}\right)]$

$\frac{1}{4}\sin \left[3\sin \right(\frac{n\mathrm{\pi }}{2}+x)$

$3^n\sin (\frac{n\mathrm{\pi }}{2}+3x)]$

$(\frac{n\mathrm{\pi }}{2}+3x)]$

$\sin \left[3\sin \right(\frac{n\mathrm{\pi }}{2}+x)-3^n\sin (\frac{n\mathrm{\pi }}{2}+3x\left)\right]$

$\frac{1}{4}\sin \left[3\sin \right(\frac{n\mathrm{\pi }}{2}+x)-3^n\sin (\frac{n\mathrm{\pi }}{2}+3x\left)\right]$

6

10

12

infiniti

কোনটিই নয়

${\log }_e \cos (\theta +\frac{\mathrm{\pi }}{4})+c$

${\log }_e \sin (\theta +\frac{\mathrm{\pi }}{4})+c$

${\log }_e sec(\theta +\frac{\mathrm{\pi }}{4})+c$

${\log }_e \tan (\theta +\frac{\mathrm{\pi }}{4})+c$

$\tan (\theta +\frac{\mathrm{\pi }}{4})+c$

$\frac{\mathrm{\pi }}{2}$

$\mathrm{\pi }$

$\frac{\mathrm{\pi }}{4}$

$22\mathrm{\pi }$

$11\mathrm{\pi }$ বিঃদ্রঃ-(নিজে চেষ্টা করুন সঠিক উত্তরটি জানা নেই)

$2 {\tan }^{-1}10$

$2 {\tan }^{-1}4$

$2 {\tan }^{-1}2$

$2 {\tan }^{-1}5$

কোনটিই নয়

1 একক

2 একক

3 একক

4 একক

কোনটিই নয়

-3 m/sec

5 m/sec

$2 m/se{c}^2$

$15 m/se{c}^2$

$11 m/se{c}^2$

17 $\mathrm{m} {\sec }^{-2}$

6 $\mathrm{m} {\sec }^{-2}$

170 $\mathrm{cm} {\sec }^{-2}$

1.7 $\mathrm{m} {\sec }^{-2}$

566 $\mathrm{cm} {\sec }^{-2}$

576

480

1380

1350

720

$\frac{23}{28}$

$\frac{23}{25}$

$\frac{23}{56}$

$\frac{31}{63}$

$\frac{20}{63}$

$\frac{3+2^n}{n}$

$\frac{1+2^n}{n}$

$\frac{4+2^n}{n}$

3n

4n

Numeral adjective

Demonstrative adjective

Possessive adjective

Distributive adjective

Adjective of Quantity

Queen

Maid

Nun

Wido

Monkess

indifferent to

mad for

aid for

full of

mad by

Bull-duck

Stag-mare

Swain-ewe

Stallion-mare

Fox-nun

The girl asked to her father whether he had brought a pen for her.

The girl asked her father whether he brought a pen for her.

The girl asked her father if he had brought a pen for her.

The girl asked her father if he brought a pen for her

The girl asked to her father whether he had brought a pen for her

The Jury is divided in his opinions.

The Jury are divided in their opinions.

Jury is divided in his opinions.

The Jurys are divided in their opinions.

None of the above.

A nice car had by them.

A nice car was had by them.

A nice car had been by them.

A nice car is had by them.

No passive form.

Patient is bitter but its fruit is sweet.

Patients are bitter but fruits are sweet.

Patience is bitter but fruits are not sweet.

Patient is sweet but its fruit is bitter.

Patience is bitter but its fruit is sweet.

Addressing the sons, their mum said to them not to run away.

Addressing the sons, their mum told them not to run away.

Addressing the sons, their mum asked them to run away.

Addressing the sons, their mum asked them not to run away.

Their mum said not to run away.

To

Of

With

For

By

He will avail him of this opportunity

He shall avail him of this opportunity

He will avail himself of this opportunity

He would avail his opportunity

He will avail his opportunity

Consistent

Honest

Whimsical

Revenge

Hypocritical

Let keep your word

Let not your word be kept

Your word should be kept

Your word might be kept

Your word can be kept

Reject

Clumsy

Capture

Skillful

Confirm

up

down

away

off

to

He is carefully examining the script

He is carefully looking the script

He is examining the script with full care

He is carefully looking after script

He is watching examining the script

Improve

Improvement

Improved

Improving

Improveablely

herd

gang

flock

pack

crowd

Briefness

short

Briefable

Brevity

Briefy

heard

even during

brief

snatches

sunny days

In spite of having a headache

We have to cut down on our driving

How much of a mathematician are you ?

The committee had a long discussion last night

None of the above

run down

run across

run into

run off

run out

Riches are not always happy

Riches is not always happy

The rich is not always happy

The rich are not always happy

Riches are always happy

Life is defined to do our duties in time

Life is defined to enjoy in youth time

Life is defined to as the sum of total of hours, days and years

Life is defined to do our duties life

Life is not a bed of roses

Because youth is the golden season of life?

Because during time our mind is soft and it can be moulded in any form we like .

Because youth is the time to prosper in life

Because youth is the vital time to prosper of life

Because youth is the vital time to prosper in life